Implement `in' for proxies.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index fdc5102049fcc2fd7b9119c9824218203af77053..69448243b8f9ddbb2f71c1254860161ad60a0b8e 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3761,6 +3761,7 @@ void JSBuiltinsObject::set_javascript_builtin_code(Builtins::JavaScript id,
 
 
 ACCESSORS(JSProxy, handler, Object, kHandlerOffset)
+ACCESSORS(JSProxy, padding, Object, kPaddingOffset)
 
 
 Address Foreign::address() {
@@ -4156,6 +4157,21 @@ Object* JSReceiver::GetPrototype() {
 }
 
 
+bool JSReceiver::HasProperty(String* name) {
+  if (IsJSProxy()) {
+    return JSProxy::cast(this)->HasPropertyWithHandler(name);
+  }
+  return GetPropertyAttribute(name) != ABSENT;
+}
+

[Mads Ager (chromium), 2011/07/19 08:18:05]

Add an extra newline. We usually have two newlines between methods.

[rossberg, 2011/07/19 09:29:52]

Done.

+bool JSReceiver::HasLocalProperty(String* name) {
+  if (IsJSProxy()) {
+    return JSProxy::cast(this)->HasPropertyWithHandler(name);
+  }
+  return GetLocalPropertyAttribute(name) != ABSENT;
+}
+
+
 PropertyAttributes JSReceiver::GetPropertyAttribute(String* key) {
   return GetPropertyAttributeWithReceiver(this, key);
 }